<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
   <title>{% block title %}{% endblock %}</title>

 <link rel="stylesheet" href="{{ url_for('static',filename='layui/css/layui.css') }}">
</head>
<body>
<ul class="layui-nav " lay-filter=" " >
  <li class="layui-nav-item layui-this"><a href="">机器学习算法</a></li>
  <li class="layui-nav-item "><a href="">最新交流</a></li>
  <li class="layui-nav-item"><a href="">大数据</a></li>
  <li class="layui-nav-item">
    <a href="javascript:;">解决方案</a>
    <dl class="layui-nav-child"> <!-- 二级菜单 -->
      <dd><a href="">CSDN</a></dd>
      <dd><a href="">Gitee</a></dd>
      <dd><a href="">Github</a></dd>
    </dl>
  </li>
  <li class="layui-nav-item"><a href="">社区</a></li>
</ul>

 <script type="text/javascript" src="{{ url_for('static',filename='layui/layui.js') }}"></script>
<div class="container">{% block body %}{% endblock %}</div>

</body>
</html>